Spring Time, a maker of air fresheners, bought advertising space on a billboard near a busy sidewalk. On the first day the ad was up,9,800people, some in cars and some on foot, passed the billboard. On average they passed it1.8times. Over the month the billboard will be devoted to Spring Time, it is expected to deliver a total of489,000impressions at a cost of$9,800. During the same month, Spring Time is also investing in30daily TV spots on home improvement cable shows at a total cost of$15,000that are expected to deliver201,000impressions.

On average, what rating does the home improvement show deliver?